Dun and Umber

Dun adjective - Of a dull greyish brown to brownish grey color.

Umber and dun are semantically related. in greyish-brown topic. In some cases you can use "Umber" instead an adjective "Dun".

Umber adjective - Of the color of any of various natural brown earth pigments.

Dun and umber are semantically related. Sometimes you can use "Dun" instead an adjective "Umber".